Wood ash brew
Regulatory status of this variant: ⚠️ Tolerated
Wood ash may be used as fertilizer for personal use without authorization, and in organic farming only if it comes from wood that has not been chemically treated after being cut down. Ash is not a basic or active substance approved for phytosanitary use in the EU; therefore, the solution cannot be marketed for that purpose.
A product made from plant ash, traditionally used as a fertilizer (it provides potassium, phosphorus, and calcium) and as a foliar spray as part of routine crop care.
When to use: Routinely
Application description: Spray on leaves, stems, and branches every 8–10 days; repeat after 4–5 days if necessary.
Dose: 2 cups of ash per 10 liters of water (reference concentration).
Dose: Del 3 % al 5 % en pulverización foliar, en las horas frescas.
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